diff options
Diffstat (limited to 'drivers/usb/host/ehci-sunxi.c')
| -rw-r--r-- | drivers/usb/host/ehci-sunxi.c | 46 |
1 files changed, 33 insertions, 13 deletions
diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c index eda9f69..0edb643 100644 --- a/drivers/usb/host/ehci-sunxi.c +++ b/drivers/usb/host/ehci-sunxi.c @@ -1,7 +1,8 @@ /* - * Copyright (C) 2014 Roman Byshko + * Sunxi ehci glue * - * Roman Byshko <rbyshko@gmail.com> + * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com> + * Copyright (C) 2014 Roman Byshko <rbyshko@gmail.com> * * Based on code from * Allwinner Technology Co., Ltd. <www.allwinnertech.com> @@ -9,23 +10,32 @@ * SPDX-License-Identifier: GPL-2.0+ */ -#include <asm/arch/usbc.h> #include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/usb_phy.h> +#include <asm/io.h> #include "ehci.h" int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, struct ehci_hcor **hcor) { - int err; + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + int ahb_gate_offset; - err = sunxi_usbc_request_resources(index + 1); - if (err) - return err; + ahb_gate_offset = index ? AHB_GATE_OFFSET_USB_EHCI1 : + AHB_GATE_OFFSET_USB_EHCI0; + setbits_le32(&ccm->ahb_gate0, 1 << ahb_gate_offset); +#ifdef CONFIG_SUNXI_GEN_SUN6I + setbits_le32(&ccm->ahb_reset0_cfg, 1 << ahb_gate_offset); +#endif - sunxi_usbc_enable(index + 1); - sunxi_usbc_vbus_enable(index + 1); + sunxi_usb_phy_init(index + 1); + sunxi_usb_phy_power_on(index + 1); - *hccr = sunxi_usbc_get_io_base(index + 1); + if (index == 0) + *hccr = (void *)SUNXI_USB1_BASE; + else + *hccr = (void *)SUNXI_USB2_BASE; *hcor = (struct ehci_hcor *)((uint32_t) *hccr + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); @@ -39,8 +49,18 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, int ehci_hcd_stop(int index) { - sunxi_usbc_vbus_disable(index + 1); - sunxi_usbc_disable(index + 1); + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + int ahb_gate_offset; - return sunxi_usbc_free_resources(index + 1); + sunxi_usb_phy_power_off(index + 1); + sunxi_usb_phy_exit(index + 1); + + ahb_gate_offset = index ? AHB_GATE_OFFSET_USB_EHCI1 : + AHB_GATE_OFFSET_USB_EHCI0; +#ifdef CONFIG_SUNXI_GEN_SUN6I + clrbits_le32(&ccm->ahb_reset0_cfg, 1 << ahb_gate_offset); +#endif + clrbits_le32(&ccm->ahb_gate0, 1 << ahb_gate_offset); + + return 0; } |